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1·This means that it is an effective communications tool that can be used to lever action on the ground.

这意味着它是一个有效的社会工具，能被用作当地的杠杆。

2·The override action occurs when a slight pull toward the driver on the switch lever providers high beam headlights regardless of the amount of light on the sensor-amplifier.

轻轻朝着驾驶员的方向拉动开关控制杆这一动作，就可以使前照灯远光灯泡点亮，而不用顾及灯的数量。

3·See the first athlete, he took a step back, a handsome action, and facing the lever blunt past, spurt, a strong start, light foot stand, lift up body, in the past.

只见第一个运动员，他往后退了一步，一个帅气的动作，然后正对着横杆冲过去，加速冲刺，一个轻快有力的起跑，脚一踮，身体腾空起来，过去了。 。

4·As a large span steel arch bridge and located in the west plateau, it is necessary to calculate its dynamical action because it belongs to higher anti -seismic lever.

对于柳梧大桥这样的大跨度钢拱桥，由于其处于西部高原地区，属于抗震等级要求较高的桥梁，有必要进行动力计算。